I 450x150x5x8 Cintac · Weight & Dimensions

Cintac, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: I 450x150x5x8 (México) · Doble T I 450x150x5x8 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x150x5x8 steel profile weighs 35.9 kg/m (24.10 lb/ft), has a depth of 450 mm (17.72 in), flange width 150 mm (5.91 in). Cross-sectional area: 4,570 mm². Moment of inertia Ix = 15,129.224 cm⁴, Iy = 450.452 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	8 mm	0.31 in
Weight	35.9 kg/m	24.10 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,570 mm²	7.083 in²
Moment of inertia (Ix)	15,129.22 cm⁴	363.48 in⁴
Moment of inertia (Iy)	450.45 cm⁴	10.82 in⁴
Elastic section modulus (Sx)	672.41 cm³	41.033 in³
Elastic section modulus (Sy)	60.06 cm³	3.665 in³
Plastic section modulus (Zx)	765.85 cm³	46.735 in³
Plastic section modulus (Zy)	92.71 cm³	5.658 in³
Radius of gyration (rx)	18.19 cm	7.163 in
Radius of gyration (ry)	3.14 cm	1.236 in